Question Detail

CHM 102 Practice Questions Objective Question
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Question

Aldehydes can be distinguished from ketones by using
Options
A Ammoniacal AgNO3 solution
Correct Answer
B Phenylhydrazine
C Saturated NaHSO3 solution
D Thionyl chloride
Correct Answer

Option A is the correct answer.

Detailed Explanation

Tollens' reagent (ammoniacal AgNO3) oxidizes aldehydes to carboxylic acids (silver mirror) but does not react with ketones. This is a key test to distinguish aldehydes from ketones.

Hint

Which reagent gives a silver mirror with aldehydes but not ketones?

Question Info

Course: CHM 102
Topic: Practice Questions
Type: Objective
Difficulty: Not specified
Question 1378 of 1999
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